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Herausgegeben am 25. September 2015. Model A1687/A1634. Die Reparatur des 6s gestaltet sich ähnlich zu denen früherer Generationen; benötigt werden Schraubenzieher und Hebelwerkzeuge. Verfügbar mit GSM oder CDMA / 16, 64 oder 128 GB / Silber, Gold, Space Grau oder Roségold.

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Black after screen replacement, but the battery symbol is visible.

Hey all! I have a really weird issue with my iphone 6S after i replaced the screen. Right after the replacement the screen was black. It seemed like it started up, as it vibrated when plugging it in and when using the mute switch. I figured i the screen must be faulty or i messed something up. Tried with the old screen and it’s also black (it was just cracked and had lines through it), so i figured i must have broken something in the phone.

However, after it ran out of charge i noticed the “empty battery” symbol was showing perfectly fine when i tried to start it. So i know there’s no problem with the screen. “Great!” i thought, charged it up, and black screen again. Now it’s dead once again and the battery symbol is yet again visible.

So tldr: Screen works fine when the phone is out of charge, but goes black when it’s on.

Any ideas on what the problem could be? Does the “signal” come from a different place when the phone is on versus when it’s off?

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Sometimes a partially damaged backlight filter can have these symptoms. It will work in low intensity settings, like the battery charge symbol but not for high intensity like a regular screen. Read the rest of my answer below for the full context…

It’s very important to always disconnect the battery before disconnecting/reconnecting the screen assembly. The issue is that the LCD connector has pins that have high voltages (i.e. the backlight is ~20V) and ground in very close proximity. When you fumble around trying to line up the connector plug to the receptacle, you can short out the voltage rail and cause damage to the components in the backlight circuit. If you’re lucky, then only a backlight filter is damaged but other times, the entire circuit could be affected. Either way, this type of repair requires micro-soldering and isn’t really a DIY repair.

To test for this, plug your device into a charger or an iTunes enabled computer. Then shine a bright flashlight on the screen. If you can see a dim image, then the backlight circuit has been damaged. If you can’t see an image at all, then it may be the LCD circuit that is damaged.

You can connect the original, cracked screen to confirm this. If the original screen has the backlight on, then the replacement screen has an issue. If the original screen also doesn't show the backlight, then the backlight circuit is blown.

If iTunes doesn’t recognized the device than the problem is more than just a screen or backlight issue.

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Gustav B wird auf ewig dankbar sein.
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